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A247003
Decimal expansion of a constant related to A034691.
5
1, 3, 9, 7, 6, 4, 9, 0, 0, 5, 0, 8, 3, 6, 5, 0, 2, 8, 5, 0, 6, 5, 0, 7, 4, 5, 9, 8, 5, 2, 6, 7, 9, 1, 1, 5, 9, 0, 0, 7, 8, 1, 1, 4, 2, 9, 4, 4, 0, 7, 2, 8, 9, 9, 6, 4, 8, 3, 8, 7, 4, 0, 4, 8, 8, 5, 4, 6, 6, 5, 7, 2, 0, 6, 6, 0, 8, 3, 3, 8, 5, 7, 8, 2, 0, 7, 5, 7, 3, 3, 2, 3, 3, 1, 0, 2, 4, 8, 2, 0, 4, 0, 0, 1, 5
OFFSET
1,2
FORMULA
Equals exp( Sum_{k>=2} 1/(k*(2^k-2)) ).
EXAMPLE
1.397649005083650285065074598526791159007811429440728996483874...
MAPLE
evalf(exp(sum(1/(k*(2^k-2)), k=2..infinity)), 100)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Vaclav Kotesovec, Sep 09 2014
STATUS
approved